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MATHEMATICAL MODEL FOR REDUCTION OF COKE FORMATION DURING HYDROCARBON PYROLYSIS USING ADDITIVES
Authors:Jeng-Cheng Lee
Affiliation:  a Refining and Manufacturing Research Center, Chinese Petroleum Corp, Taiwan, R.O.C.
Abstract:A mathematical model has been developed to simulate reduction of coke formation by additives during hydrocarbon pyrolysis. In this model it is assumed that the formation of coke is mainly due to surface catalytic reactions. The adsorption of additive agents on the reactor surface, therefore, effectively reduces the formation of coke. Using this model, it is found that the higher the additive concentration the faster the formation of the protective layer, and hence the rate of coke formation approaches its steady state value more quickly. The developed model is simple and the predicted results are reasonable.
Keywords:Mathematical model coke formation Langmuir model pyrolysis
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